%0 Journal Article %A B. A. Plamenevskii %A G. V. Rozenblum %T Pseudodifferential operators with discontinuous symbols: $K$-theory and the index formula %J Funkcionalʹnyj analiz i ego priloženiâ %D 1992 %P 45-56 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1992_26_4_a3/ %G ru %F FAA_1992_26_4_a3